.row:after{clear:both}[class*="span"]{float:left;min-height:1px;margin-left:20px} . 
linear; transition:opacity .15s linear}. fade.in{opacity:1}.collapse{position:relative; height:0;overflow:hidden; 
rgba(0,0,0,0.05);box-shadow:inset 0 1px 0 rgba(255,255,255,0.2),0 1px 2px rgba(0,0,0,0.05)}.btn:hover,.btn:focus,.
btn:active,.accordion{margin-bottom:20px}.accordion-group{ 
margin-bottom:2px;border:1px solid #ffffff;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}. 
accordion-heading{border-bottom:0}.accordion-heading .accordion-toggle{display:block;padding:8px 15px}. accordion-toggle{ 
cursor:pointer}.accordion-inner{padding:9px 15px;border-top:1px solid #ffffff}.